diff --git a/Export/Aggregator/GenderAggregator.php b/Export/Aggregator/GenderAggregator.php
index 56cbfacfa..bc75c4350 100644
--- a/Export/Aggregator/GenderAggregator.php
+++ b/Export/Aggregator/GenderAggregator.php
@@ -24,8 +24,7 @@ use Symfony\Component\Form\FormBuilderInterface;
 use Doctrine\ORM\QueryBuilder;
 use Symfony\Component\Translation\TranslatorInterface;
 use Chill\PersonBundle\Entity\Person;
-use Chill\PersonBundle\Security\Authorization\PersonVoter;
-use Symfony\Component\Security\Core\Role\Role;
+use Chill\PersonBundle\Export\Declarations;
 
 /**
  * 
@@ -48,7 +47,7 @@ class GenderAggregator implements AggregatorInterface
     
     public function applyOn()
     {
-        return 'person';
+        return Declarations::PERSON_TYPE;
     }
     
     
@@ -85,9 +84,9 @@ class GenderAggregator implements AggregatorInterface
          );
     }
 
-    public function requiredRole()
+    public function addRole()
     {
-        return new Role(PersonVoter::STATS);
+        return NULL;
     }
 
 }
diff --git a/Export/Aggregator/NationalityAggregator.php b/Export/Aggregator/NationalityAggregator.php
index dbbaaa596..834921f68 100644
--- a/Export/Aggregator/NationalityAggregator.php
+++ b/Export/Aggregator/NationalityAggregator.php
@@ -125,9 +125,9 @@ class NationalityAggregator implements AggregatorInterface
         return array('nationality_aggregator');
     }
     
-    public function requiredRole()
+    public function addRole()
     {
-        return new Role(PersonVoter::STATS);
+        return NULL;
     }
     
     public function getLabels($key, array $values, $data)
diff --git a/Export/Declarations.php b/Export/Declarations.php
new file mode 100644
index 000000000..6c0735d18
--- /dev/null
+++ b/Export/Declarations.php
@@ -0,0 +1,31 @@
+<?php
+
+/*
+ * Copyright (C) 2016 Champs-Libres <info@champs-libres.coop>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Chill\PersonBundle\Export;
+
+/**
+ * This class declare constants used for the export framework.
+ * 
+ *
+ * @author Julien Fastré <julien.fastre@champs-libres.coop>
+ */
+abstract class Declarations
+{
+    CONST PERSON_TYPE = 'person';
+}
diff --git a/Export/Export/CountPerson.php b/Export/Export/CountPerson.php
index 9adeee712..df7611c25 100644
--- a/Export/Export/CountPerson.php
+++ b/Export/Export/CountPerson.php
@@ -25,6 +25,8 @@ use Symfony\Component\Form\FormBuilderInterface;
 use Doctrine\ORM\Query;
 use Chill\PersonBundle\Security\Authorization\PersonVoter;
 use Symfony\Component\Security\Core\Role\Role;
+use Chill\PersonBundle\Export\Declarations;
+use Chill\MainBundle\Export\FormatterInterface;
 
 /**
  * 
@@ -38,7 +40,7 @@ class CountPerson implements ExportInterface
      */
     public function getType()
     {
-        return 'person';
+        return Declarations::PERSON_TYPE;
     }
     
     public function getDescription()
@@ -62,7 +64,7 @@ class CountPerson implements ExportInterface
      * @param QueryBuilder $qb
      * @return QueryBuilder
      */
-    public function initiateQuery(QueryBuilder $qb, array $requiredModifiers, $acl)
+    public function initiateQuery(QueryBuilder $qb, array $requiredModifiers,  array $acl, array $data = array())
     {
         $centers = array_map(function($el) { return $el['center']; }, $acl);
         
@@ -77,7 +79,7 @@ class CountPerson implements ExportInterface
         return $qb;
     }
     
-    public function getResult($qb, $data)
+    public function getResult(QueryBuilder $qb, $data)
     {
         return $qb->getQuery()->getResult(Query::HYDRATE_SCALAR);
     }
@@ -101,20 +103,16 @@ class CountPerson implements ExportInterface
     
     public function getAllowedFormattersTypes()
     {
-        return array('tabular');
+        return array(FormatterInterface::TYPE_TABULAR);
     }
     
     public function buildForm(FormBuilderInterface $builder) {
-        throw new \LogicException('This export does not require a form');
-    }
-    
-    public function hasForm(){
-        return false;
+
     }
     
     public function supportsModifiers()
     {
-        return array('person');
+        return array(Declarations::PERSON_TYPE);
     }
     
 }
diff --git a/Export/Filter/GenderFilter.php b/Export/Filter/GenderFilter.php
index f1ae8f7e2..14aba4376 100644
--- a/Export/Filter/GenderFilter.php
+++ b/Export/Filter/GenderFilter.php
@@ -80,8 +80,8 @@ class GenderFilter implements FilterInterface
         return 'Filter by person gender';
     }
     
-    public function requiredRole()
+    public function addRole()
     {
-        return new Role(\Chill\PersonBundle\Security\Authorization\PersonVoter::STATS);
+        return NULL;
     }
 }
diff --git a/Export/Filter/NationalityFilter.php b/Export/Filter/NationalityFilter.php
index 6b2d5966e..136002853 100644
--- a/Export/Filter/NationalityFilter.php
+++ b/Export/Filter/NationalityFilter.php
@@ -65,8 +65,8 @@ class NationalityFilter implements FilterInterface
         return "Filter by person's nationality";
     }
     
-    public function requiredRole()
+    public function addRole()
     {
-        return new Role(\Chill\PersonBundle\Security\Authorization\PersonVoter::STATS);
+        return NULL;
     }
 }